CN100583954C - Control apparatus and control method - Google Patents

Control apparatus and control method Download PDF

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Publication number
CN100583954C
CN100583954C CN200410082114A CN200410082114A CN100583954C CN 100583954 C CN100583954 C CN 100583954C CN 200410082114 A CN200410082114 A CN 200410082114A CN 200410082114 A CN200410082114 A CN 200410082114A CN 100583954 C CN100583954 C CN 100583954C
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mode
image acquiring
acquiring device
digital interface
order
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CN1630343A (en
Inventor
藤田俊司
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Canon Inc
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Canon Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00249Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a photographic apparatus, e.g. a photographic printer or a projector
    • H04N1/00251Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a photographic apparatus, e.g. a photographic printer or a projector with an apparatus for taking photographic images, e.g. a camera
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/661Transmitting camera control signals through networks, e.g. control via the Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2101/00Still video cameras

Abstract

A control apparatus and method for controlling an image capture apparatus having a first and a second digital interface. The apparatus and method include determining which of the first and second digital interfaces is used to connect the image capture apparatus and the control apparatus, transmitting to the image capture apparatus one of a first or a second command for changing a function of the image capture apparatus. If it is determined that the first digital interface is used to connect the image capture apparatus and the apparatus, the first command is transmitted to the image capture apparatus. If it is determined that the second digital interface is used to connect the image capture apparatus and the control apparatus, the second command is transmitted to the image capture apparatus.

Description

Control device and control method
The cross reference of related application
The application number that the application requires on December 15th, 2003 to submit to is the priority of the Japanese patent application of No.2003-417002, and its content is contained in this by reference.
Technical field
The present invention relates to via digital interface external control image acquiring device, as digital video camera, technology.
Background technology
Can set up communication between digital camera (hereinafter being called " DVCR ") and the personal computer (hereinafter being called " PC ") via digital interface.If deferring to IEEE 1394, this digital interface (sees IEEE Std 1394-1995, the ieee standard of high performance serial bus, Institute of Electrical and Electronics Engineers; And IEEE Std 1394a-2000, the ieee standard of high performance serial bus-correction 1), communication is to carry out according to the AV/C digital interface command set general norm 4.1 editions (November 19 calendar year 2001) or the command set of similar normalized definition.If digital interface is deferred to USB (see universal serial bus specification revision on April 17th, 2.0,2000), then communication is that the defined command set of universal serial bus device class definition according to video equipment carries out.
DVCR has two kinds of transmission meanss usually, i.e. " video camera mode (camera mode) " and " VTR mode ".In the video camera mode, the video data that is obtained by DVCR is sent to long-range PC during via network implementation.In the VTR mode, be acquired and be recorded in the tape or the video data on the memory card that are contained among the DVCR and be sent to long-range PC via network.
Operate the mechanical switch that provides on the DVCR by the user and can finish switching between video camera mode and the VTR mode.Yet DVCR does not allow to finish this switching by response from the control command of PC.
More particularly, the user can not control the switching of DVCR transmission means by operation PC.Like this, the user needs the mechanical switch of direct control DVCR to finish this switching.For example, the video image that the user may be by obtaining DVCR to be sitting in the user before the PC and transmit the image that is obtained in the video camera mode and realize video-phone session.During this video-phone session, if the user wishes DVCR is changed into the VTR mode to transmit the child's who before obtains and be recorded in the user on the tape video data, the user must move to the position of DVCR to operate its mechanical switch so.This brings inconvenience to the user.
Meanwhile, the user needs DVCR multiple digital interface to be arranged to strengthen its convenience.
Summary of the invention
One aspect of the present invention is to overcome above-mentioned shortcoming.
Another aspect of the present invention is to make the image acquiring device with a plurality of digital interfaces, and digital camera etc. for example can be subjected to external control via in these a plurality of digital interfaces each, thereby strengthen the convenience of image acquiring device.
In another aspect of the present invention, be used to control the control device of image acquiring device with first and second digital interfaces, this control device comprises: receiving system, and the mode that is used for receiving from remote control the mode of operation be used to change image acquiring device changes order; Determine device,, determine whether to change the mode of operation of image acquiring device, and determine that in first and second digital interfaces which is used to connect image acquiring device and control device if be used for changing order from the remote control mode of receiving; And transmitting device, be used for transmitting first or second order to image acquiring device, but not mode changes order, first and second orders are used in the image acquiring device to change the mode of operation of image acquiring device, wherein, determine that first digital interface is used to connect image acquiring device and control device if determine definite mode of operation and the definite device that changes image acquiring device of device, then transmitting device is with first order but not mode changes order is sent to image acquiring device, and wherein, determine that the mode of operation and the definite device that change image acquiring device determine that second digital interface is used to connect image acquiring device and control device if determine device, then transmitting device is with second order but not mode changes order is sent to image acquiring device.
In still another aspect of the invention, be used to control the method for the image acquiring device with first and second digital interfaces, this method comprises: receiving step, and the mode that receives the mode of operation be used to change image acquiring device from remote control changes order; First determining step if change order from the remote control mode of receiving, determines whether to change the mode of operation of image acquiring device; Second determining step determines that in first and second digital interfaces which is used to connect image acquiring device and control device; And transmitting step, transmit first or second order from control device to image acquiring device, but not mode changes order, first and second orders are used in the image acquiring device to change the mode of operation of image acquiring device, wherein, change the mode of operation of image acquiring device and determine that in second determining step first digital interface is used to connect image acquiring device and control device if in first determining step, determine, then first order but not mode changes order is sent to image acquiring device, and wherein, if in first determining step, determine to change the mode of operation of image acquiring device and determine that in second determining step second digital interface is used to connect image acquiring device and control device, then second order but not mode changes order is sent to image acquiring device.
Those skilled in the art will know and find out other characteristics of the present invention and advantage after reading hereinafter the detailed description to the embodiment of the invention in conjunction with the accompanying drawings, and in whole accompanying drawings, similar reference character is specified same or analogous parts.
Description of drawings
Accompanying drawing is included into this explanation and constitutes the part of this explanation, is used to illustrate embodiments of the invention, and these accompanying drawings and this explanation one is used from explains principle of the present invention.
Fig. 1 shows the configuration of communication system according to an embodiment of the invention.
Fig. 2 is a calcspar, shows the structure sketch map according to the DVCR of this embodiment.
Fig. 3 is a flow chart, and the communication mode handoff procedure that carries out according to from the order of control device is described.
Fig. 4 shows that the mode of deferring to IEEE 1394 changes the form of order (CONNECT AV (connecting AV) order).
Fig. 5 shows that the mode of deferring to USB changes order (form of Set Selector Unit Control (selector unit control is set) order).
Embodiment
Describe embodiments of the invention below with reference to the accompanying drawings in detail.
Fig. 1 shows the configuration of communication system according to an embodiment of the invention.
In Fig. 1, DVCR 101 is the image acquiring devices with multiple digital interface.In the present embodiment, DVCR 101 has IEEE 1394 interfaces and a USB interface.IEEE 1394 interfaces are to defer to IEEE 1394 (to see IEEE Std 1394-1995, the ieee standard of high performance serial bus, Institute of Electrical and Electronics Engineers; And IEEE Std1394a-2000, the ieee standard of high performance serial bus-correction 1) digital interface.USB interface is to defer to the digital interface of USB (see universal serial bus specification revision on April 17th, 2.0,2000).DVCR 101 can link to each other with local PC 103 via the universal serial bus 102 of deferring to IEEE 1394 or USB.Local PC 103 links to each other via the long-range PC 105 of network 104 (as the internet) and another.
DVCR 101 and local PC 103 can be according to order transmission that is defined by IEEE 1394 or USB and receiving video datas etc.In this case, an order sends to DVCR 101 from the application program that local PC 103 carries out, thereby makes local PC 103 can control DVCR 101.Have, local PC 103 can be being transmitted to DVCR 101 via network 104 from the order that long-range PC 105 receives again.
Fig. 2 is the calcspar that shows DVCR 101 general structures.With reference to figure 2, DVCR 101 comprises image acquisition section 201, control section 202, display part 203, communications portion 204 and recording section 205.Image acquisition section 201 comprises an imageing sensor (not shown), as CCD (charge coupled device) transducer, is used to obtain object images to produce video data.The operation of the whole DVCR 101 of control section 202 controls.Display part 203 display video images and point out the various information of DVCR 101 working methods etc.Communications portion 204 has IEEE1394 interface and USB interface.The video data recording that recording section 205 provides image acquisition section 201 is on recording medium, as tape or storage card.
DVCR 101 has two kinds of communication modes, i.e. " video camera mode " and " VTR mode ".In the video camera mode, the video data that is produced by image acquisition section 201 is provided for control section 202, and control section 202 sends to video data display part 203, communications portion 204 and recording section 205 in real time.In the VTR mode, the video data that has been recorded in the recording section 205 is read out and offers control section 202, and control section 202 sends to apparent look part 203 and communications portion 204 with video data.Except video camera mode and VTR mode, DVCR 101 also has " no mode mode (modeless mode) ".In no mode mode, according to via communications portion 204 from control device, for example local PC 103 or long-range PC 105, the order of reception, video camera mode and VTR mode can freely be switched each other.Video camera mode, VTR mode and the switching of not having a mode mode are to operate the hardware switch (not shown) that provides on the DVCR 101 by the user to realize.
Fig. 3 is a flow chart, illustrates according to the order from control device to communicate the process that mode is switched.Have only and when DVCR 101 is set to not have the mode mode, just communicate the mode handoff procedure.In addition, the process of step S301 to S306 is to be undertaken by an application program of operation on the local PC 103.
With reference to figure 3, at step S301, a mode switching command that is used for DVCR 101 is imported into an application program of carrying out on local PC 103, or receives a mode switching command that is used for DVCR 101 via network 104 from long-range PC 105.Then, at step S302, the current communication mode of local PC 103 check DVCR 101 is to determine that current communication mode is whether identical with the specified mode of input or the mode switching command that receives.If current communication mode is identical with specified mode, then local PC 103 finishes the communication mode handoff procedure.
If the specified mode of the current communication mode of determining DVCR 101 at step S302 and the mode switching command of input or reception is different, then local PC 103 advances to step S303.At step S303, whether the digital interface that local PC 103 is identified for communication between local PC 103 and the DVCR 101 is IEEE 1394 interfaces.If used digital interface is the IEEE1394 interface, then local PC 103 advances to step S305.At step S305, the mode switching command that local PC 103 will import or receive is converted to the mode that is used for IEEE 1394 interfaces and changes order, CONNECT AV order as shown in Figure 4, and this mode is changed order send DVCR 101 to.
If determine that at step S303 used digital interface is not IEEE 1394 interfaces, then local PC 103 advances to step S304.At step S304, local PC 103 determines whether signal post is USB interface with digital interface between local PC103 and the DVCR 101.If used digital interface is a USB interface, then local PC 103 advances to step S306.At step S306, the mode switching command that local PC 103 will import or receive converts the mode that is used for USB interface to and changes order, Set Selector Unit Control order as shown in Figure 5, and this mode is changed order send DVCR 101 to.If in step 304, the digital interface that local PC 103 is identified for communication between local PC 103 and the DVCR 101 is not a USB interface, and then local PC 103 finishes the communication mode handoff procedure.
Determine that signal post is that IEEE1394 interface or USB interface can or not exist the offset voltage that is applied on these interfaces to realize by the detection existence with digital interface between local PC 103 and the DVCR 101.Except this method, any permission realizes that additive method of the present invention also is applicable.
Get back to Fig. 3, at step S307, the control section 202 that is set to not have the DVCR 101 of mode mode switches to current communication mode CONNECTAV order or the specified mode (video camera mode or VTR mode) of Set Selector Unit Control order that is received by communications portion 204.Then, at step S308, the control section 202 of DVCR 101 is applied to offset voltage on the universal serial bus 102 that is connected in local PC 103 by removing (drop) by digital interface, and then applies offset voltage, thereby realizes resetting the connection between local PC 103 and the DVCR 101.Then, the communication mode handoff procedure finishes.
As indicated above, DVCR 101 has the mode (" no mode mode ") of a special use to be used for the switching of communication mode (" video camera mode " and " VTR mode ").Therefore, can be according to dynamically switching the communication mode of DVCR 101 from the order of local PC 103 or long-range PC 105, thus can strengthen the convenience of DVCR 101.In this case, input or the mode switching command that receives are converted to the mode of deferring to the digital interface form of DVCR 101 interfaces by an application program on the local PC 103 and change order.Then, this mode changes order and is transmitted to DVCR 101.So, even DVCR 101 has multiple digital interface, also can be according to switching the communication mode of DVCR 101 from the control of local PC 103 or long-range PC 105, thus also can strengthen DVCR 101 convenience in this respect.
Be noted that and the invention is not restricted to embodiment mentioned above.For example, the present invention can be applied to the situation that its digital interface conforms to IEEE 1394 and USB other standards in addition, as
Figure C20041008211400101
IEEE 802.11a, IEEE 802.11b or IEEE 802.11g.
Have, the present invention can also be applied to by control device via other image acquiring devices beyond the DVCR of digital interface control again.In addition, the present invention's switching that can not only be applied to control communication mode can also be applied to the situation that the various operations of image acquiring device are controlled via digital interface by control device.
By system or the device with storage medium or recording medium is provided, this medium memory has software program code (being the executable process steps of computer) to be used to realize the function of the foregoing description, and make the computer of this system or device or CPU (CPU), MPU (microprocessing unit) etc. from this storage medium, read this program code, carry out this program code then, thereby also can realize the present invention.
In this case, the program code of reading from storage medium itself is realized the function of this embodiment.The storage medium of storing this program code constitutes the present invention.Have again, except being performed of reading by computer to realize the foregoing description functional programs code, the present invention also comprises the operating system (OS) or the similar system of operation on computers, and it finishes a real process to realize the function of the foregoing description according to the instruction of this program code fully or partly.
Have again, the present invention also comprises a CPU or similar device, it is comprised on the expansion board of inserting this computer or in being connected in the functional expansion unit of this computer, this expansion board or functional expansion unit have a memory, wherein write this program code that reads from storage medium, this CPU or similar device are finished a real process to realize the function of the foregoing description according to the instruction of this program code fully or partly.If the present invention is applied to above-mentioned storage medium, then be stored in this storage medium with the code of flow chart corresponding programs shown in above-mentioned Fig. 3.
The foregoing description is an example of the present invention, can not think limitation of the scope of the invention.
Scope of the present invention is defined by claims, is not limited to the specific descriptions in only this explanation.Have again, belong to all modifications that this claim is equal to and change and all be considered to fall within the scope of the present invention.

Claims (10)

1. control device that is used to control image acquiring device with first and second digital interfaces, this control device comprises:
Receiving system, the mode that is used for receiving from remote control the mode of operation be used to change image acquiring device changes order;
Determine device,, determine whether to change the mode of operation of image acquiring device, and determine that in first and second digital interfaces which is used to connect image acquiring device and control device if be used for changing order from the remote control mode of receiving; And
Transmitting device be used for transmitting first or second order to image acquiring device, but not mode changes order, and first and second orders are used in the image acquiring device changing the mode of operation of image acquiring device,
Wherein, determine that first digital interface is used to connect image acquiring device and control device if determine definite mode of operation and the definite device that changes image acquiring device of device, then transmitting device is with first order but not mode changes order is sent to image acquiring device, and
Wherein, determine that the mode of operation and the definite device that change image acquiring device determine that second digital interface is used to connect image acquiring device and control device if determine device, then transmitting device is with second order but not mode changes order is sent to image acquiring device.
2. according to the control device of claim 1, wherein first digital interface is to defer to the digital interface of IEEE1394, and second digital interface is the digital interface that is different from first digital interface.
3. according to the control device of claim 1, wherein second digital interface is to defer to the digital interface of USB, and first digital interface is the digital interface that is different from second digital interface.
4. according to arbitrary control device of claim 1-3, wherein first and second orders are used to the mode of operation of image acquiring device is changed into first mode of operation or second mode of operation,
If wherein image acquiring device is in first mode of operation, then image acquiring device is provided to communicator with video data from image acquisition unit,
If wherein image acquiring device is in second mode of operation, then image acquiring device is provided to communicator with video data from recording medium, and
Wherein image acquiring device has the described image acquisition unit that comprises imageing sensor, comprises the described communicator of first and second digital interfaces and be used for the described tape deck of video data recording to recording medium.
5. according to arbitrary control device of claim 1-3, wherein image acquiring device is a digital camera.
6. method that is used to control image acquiring device with first and second digital interfaces, this method comprises:
Receiving step, the mode that receives the mode of operation be used to change image acquiring device from remote control changes order;
First determining step if change order from the remote control mode of receiving, determines whether to change the mode of operation of image acquiring device;
Second determining step determines that in first and second digital interfaces which is used to connect image acquiring device and control device; And
Transmitting step transmit first or second order from control device to image acquiring device, but not mode changes order, and first and second orders are used in the image acquiring device changing the mode of operation of image acquiring device,
Wherein, change the mode of operation of image acquiring device and determine that in second determining step first digital interface is used to connect image acquiring device and control device if in first determining step, determine, then first order but not mode changes order is sent to image acquiring device, and
Wherein, if in first determining step, determine to change the mode of operation of image acquiring device and determine that in second determining step second digital interface is used to connect image acquiring device and control device, then second order but not mode changes order is sent to image acquiring device.
7. according to the method for claim 6, wherein first digital interface is to defer to the digital interface of IEEE 1394, and second digital interface is the digital interface that is different from first digital interface.
8. according to the method for claim 6, wherein second digital interface is to defer to the digital interface of USB, and first digital interface is the digital interface that is different from second digital interface.
9. according to arbitrary method of claim 6-8, wherein first and second orders are used to the mode of operation of image acquiring device is changed into first mode of operation or second mode of operation,
If wherein image acquiring device is in first mode of operation, then image acquiring device is provided to communicator with video data from image acquisition unit,
If wherein image acquiring device is in second mode of operation, then image acquiring device is provided to communicator with video data from recording medium, and
Wherein image acquiring device has the described image acquisition unit that comprises imageing sensor, comprises the described communicator of first and second digital interfaces and be used for the described tape deck of video data recording to recording medium.
10. according to arbitrary method of claim 6-8, wherein image acquiring device is a digital camera.
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